EP 1770179 A1 20070404 - Fireable silver alloys for the manufacture of ceramic lined dental restorations
Title (en)
Fireable silver alloys for the manufacture of ceramic lined dental restorations
Title (de)
Aufbrennfähige Silber-Legierung zur Herstellung keramisch verblendeter Dentalrestaurationen
Title (fr)
Alliage d'argent à cuire pour la fabrication de restauration dentaire revetue de ceramique.
Publication
Application
Priority
EP 05107053 A 20050729
Abstract (en)
An alloy contains (wt.%) 40-45% silver; 37.5-45% gold; 0-14.5% palladium; 5.5-15% indium, zinc, tin, and copper; 0.1-5% lanthanides, scandium, lanthanum, and manganese; 0.05-5% tantalum, platinum, iridium, osmium ruthenium, rhodium, rhenium, titanium, niobium, zirconium, tungsten, and vanadium; 0.5% gallium and iron; and 0.1% other metals, semimetals, and impurities. An independent claim is also included for a ceramic-faced dental restoration, comprising a dental structure made of the inventive alloy, and a dental ceramic with coefficient of thermal expansion (CTE) of 15-17[10-6>/K] fired onto the dental structure.
IPC 8 full level
CPC (source: EP US)
A61K 6/802 (2020.01 - EP US); A61K 6/842 (2020.01 - EP US); A61K 6/844 (2020.01 - EP US); C22C 5/02 (2013.01 - EP US); C22C 5/06 (2013.01 - EP US); C22C 30/00 (2013.01 - EP US); C22F 1/14 (2013.01 - EP US)
Citation (applicant)
- WO 03028669 A1 20030410 - CENDRES & METAUX SA [CH], et al
- EP 1346718 A1 20030924 - ELSA EDELMETALL LEGIER UND SCH [AT]
- EP 1340482 A1 20030903 - ELSA EDELMETALL LEGIER UND SCH [AT]
- EP 0973480 B1 20030910 - DEGUDENT GMBH [DE]
- NL 9200566 A 19931018 - ELEPHANT EDELMETAAL BV
- US 6290501 B1 20010918 - GRAU FRANZ JOSEF [DE], et al
- US 3929474 A 19751230 - INGERSOLL CLYDE E
- US 4008080 A 19770215 - WAGNER EWALD
- DE 10033445 A1 20020124 - TRAMPERT DENTAL GMBH [DE]
- US 5453290 A 19950926 - VAN DER ZEL JOSEPH M [NL]
- EP 0475528 B2 20010509 - ELEPHANT EDELMETAAL BV [NL]
Citation (search report)
- [A] DE 2908203 A1 19800904 - DEGUSSA
- [A] DE 20220836 U1 20040429 - WEGOLD EDELMETALLE AG [DE]
- [A] EP 0475528 A2 19920318 - ELEPHANT EDELMETAAL BV [NL]
- [A] US 2002122741 A1 20020905 - PRASAD ARUN [US], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
US 2007026249 A1 20070201; AT E409242 T1 20081015; DE 502005005482 D1 20081106; EP 1770179 A1 20070404; EP 1770179 B1 20080924
DOCDB simple family (application)
US 49599206 A 20060728; AT 05107053 T 20050729; DE 502005005482 T 20050729; EP 05107053 A 20050729